Build a Portable adjustable power supply (built-in battery + external power supply)
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YouTubeCreative Channel
Build a Portable adjustable power supply (built-in battery + external power supply)
This is a portable adjustable power supply, using the SK120X as a digitally controlled buck-boost converter, with an output voltage of 0-36V and an output current of 0-6A It has 4 built-in 21700 batteries, and a switch controls power on/off and power supply mode Part - SK120X Digital Control Adjustable DC Buck-Boost Power Supply - 21700 Lithium ...
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